CAST PROSTHESIS REMOVAL USING ULTRASONICS AND A THERMOPLASTIC RESIN ADHESIVE

Nonsurgical endodontic procedures are routinely performed on teeth wit h existing cast restorations. The internal anatomy of the tooth and lo cation of the root canals may be obscured by a crown or fixed partial denture. Tooth morphology and canal location may, therefore, be better visualized without the cast restoration in place. This article descri bes a conservative technique to remove an existing cast restoration to facilitate nonsurgical root canal treatment.